METHOD FOR SYMPATHETIC REBALANCING OF PATIENT
First Claim
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1. A method to screen for treatment a patient suffering a sympathetically mediated disease, the method comprising:
- determining whether the patient has a high sympathetic tone;
assessing the activity of the carotid body in the patient, andbased on the assessment of the activity of the carotid body and the determination that the patient has a high sympathetic tone, determining whether the patient is a candidate for the treatment.
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Abstract
A method and device for assessing, and treating patients having sympathetically mediated disease, such as cardiac, metabolic, or pulmonary disease involving chemoreceptor hyperactivity and heightened sympathetic tone by reducing chemosensor input to the nervous system.
79 Citations
92 Claims
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1. A method to screen for treatment a patient suffering a sympathetically mediated disease, the method comprising:
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determining whether the patient has a high sympathetic tone; assessing the activity of the carotid body in the patient, and based on the assessment of the activity of the carotid body and the determination that the patient has a high sympathetic tone, determining whether the patient is a candidate for the treatment. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method to assess a patient for a treatment to suppress activity of the carotid body in the patient, the method comprising:
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selecting the patient based on a diagnosis that the patient suffers from a sympathetically mediated disease; determining that the patient has a high sympathetic tone; assessing the activity of the carotid body in the patient; based on the assessment of the activity of the carotid body and the determination that the patient has a high sympathetic tone, determining that the patient is a candidate for the treatment; after the treatment determining whether the activity of the carotid body is below the assessed activity of the carotid body prior to the treatment, and determining if the lowering of the carotid body activity achieved a therapeutic effect with respect to the sympathetically mediated disease. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A method of treatment comprising:
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assessing the activity of a carotid body in a patient; determining to suppress the activity of the carotid body of the patient based on the assessed activity, and suppressing the carotid body by accessing a region proximate to the carotid body in the patient. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47)
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48. A method to adjust autonomic balance in a patient having high sympathetic activity relating to parasympathetic activity comprising:
artificially reducing a peripheral chemosensor output to the central nervous system of the patient. - View Dependent Claims (49, 50, 51, 52)
- 53. A method to reduce hyperventilation or hypocapnia in a patient having congestive heart failure or hypertension comprising artificially reducing a peripheral chemosensor output to a central nervous system of the patient.
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59. A method to treat a patient having sympathetically mediated disease comprising:
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diagnosing a patient as suffering from a sympathetically mediated disease; screening the diagnosed patient based on whether the patient has a chemosensitivity exceeding a threshold level of chemosensitivity; if the chemosensitivity exceeds the threshold level, selecting the patient for suppression of activity of a carotid body in the diagnosed patient and excluding the patient from selection if the chemosensitivity is below the threshold level, and suppressing the activity of the carotid body of the selected patient. - View Dependent Claims (60, 61, 62)
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63. A method to treat cardiac, metabolic, and pulmonary diseases including:
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positioning an ablation device in a vascular system of a mammalian patient, wherein an ablating region of the ablation device is in a carotid artery of the vascular system and proximate to a carotid body of the mammalian patient; forming a lesion on tissue at or proximate to the carotid body by ablating the tissue using the ablation device; suppressing a chemoreflex function of the carotid body due to the lesion, and removing the ablation device from the patient. - View Dependent Claims (64, 65, 66, 67, 68, 69, 70)
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71. A method comprising:
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applying energy to mammalian tissue at or proximate to a carotid body of a mammalian patient, wherein the energy is applied by a distal region of a catheter inserted in a vascular system of the patient and the energy is supplied from an energy source external to the patient; ablating the tissue at or proximate to the carotid body due to the application of the energy; forming a lesion at the tissue due to the ablation of the tissue; removing the catheter from the patient, and suppressing or inhibiting natural carotid body chemoreflex functions due to the lesion and after removal of the catheter. - View Dependent Claims (72, 73, 74, 75, 76, 77)
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78. A method to inhibit chemoreflex function generated by a carotid body in a mammalian patient to treat at least one of heart failure and hypertension, the method comprising:
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positioning an ablation device in a vascular system of the patient such that a distal section of the ablation device is proximate to or at the carotid body of the patient; supplying energy to a distal section of the ablation device wherein the energy is supplied by an energy supply apparatus outside of the patient; applying the energy from the energy supply through the ablation device to the distal section to ablate tissue proximate to or included in the carotid body; forming a lesion at the tissue due to the ablation of the tissue; removing the ablation device from the patient, and inhibiting carotid body chemoreflex functions due to the lesion and subsequent to the removal of the distal section. - View Dependent Claims (79)
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80. A method for reducing abnormally elevated chemoreflex signals to treat at least one of acute heart failure, and hypertension, the method comprising:
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positioning an ablation device in a vascular system of the patient such that a distal section of the ablation device can apply energy to tissue of the patient proximate to or included in the carotid body of the patient; supplying energy to a proximal section of the ablation device wherein the energy is supplied by an energy supply apparatus outside of the patient; applying the energy from the energy supply through the ablation device to the distal section to ablate the tissue; forming a lesion at the tissue due to the ablation of the tissue; removing the ablation device from the patient, and inhibiting carotid body chemoreflex functions due to the lesion and subsequent to the removal of the distal section. - View Dependent Claims (81, 82, 83)
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84. A method to treat a sympathetically mediated disease comprising:
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identifying a patient having enhanced sensitivity of chemoreceptors; directly reducing, inhibiting or removing output from at least one peripheral chemoreceptor using a surgical technique or a minimally invasive interventional technique, and the direct reduction, inhibiting or removal achieves an autonomic balance via modulation of peripheral chemoreflex. - View Dependent Claims (85, 86, 87, 88, 89, 90, 91, 92)
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Specification